2 * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * DH low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
18 #include <openssl/err.h>
20 DH_METHOD *DH_meth_new(const char *name, int flags)
22 DH_METHOD *dhm = OPENSSL_zalloc(sizeof(*dhm));
27 dhm->name = OPENSSL_strdup(name);
28 if (dhm->name != NULL)
34 DHerr(DH_F_DH_METH_NEW, ERR_R_MALLOC_FAILURE);
38 void DH_meth_free(DH_METHOD *dhm)
41 OPENSSL_free(dhm->name);
46 DH_METHOD *DH_meth_dup(const DH_METHOD *dhm)
48 DH_METHOD *ret = OPENSSL_malloc(sizeof(*ret));
51 memcpy(ret, dhm, sizeof(*dhm));
53 ret->name = OPENSSL_strdup(dhm->name);
54 if (ret->name != NULL)
60 DHerr(DH_F_DH_METH_DUP, ERR_R_MALLOC_FAILURE);
64 const char *DH_meth_get0_name(const DH_METHOD *dhm)
69 int DH_meth_set1_name(DH_METHOD *dhm, const char *name)
71 char *tmpname = OPENSSL_strdup(name);
73 if (tmpname == NULL) {
74 DHerr(DH_F_DH_METH_SET1_NAME, ERR_R_MALLOC_FAILURE);
78 OPENSSL_free(dhm->name);
84 int DH_meth_get_flags(const DH_METHOD *dhm)
89 int DH_meth_set_flags(DH_METHOD *dhm, int flags)
95 void *DH_meth_get0_app_data(const DH_METHOD *dhm)
100 int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data)
102 dhm->app_data = app_data;
106 int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *)
108 return dhm->generate_key;
111 int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *))
113 dhm->generate_key = generate_key;
117 int (*DH_meth_get_compute_key(const DH_METHOD *dhm))
118 (unsigned char *key, const BIGNUM *pub_key, DH *dh)
120 return dhm->compute_key;
123 int DH_meth_set_compute_key(DH_METHOD *dhm,
124 int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh))
126 dhm->compute_key = compute_key;
131 int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm))
132 (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
133 BN_CTX *, BN_MONT_CTX *)
135 return dhm->bn_mod_exp;
138 int DH_meth_set_bn_mod_exp(DH_METHOD *dhm,
139 int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *,
140 const BIGNUM *, BN_CTX *, BN_MONT_CTX *))
142 dhm->bn_mod_exp = bn_mod_exp;
146 int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *)
151 int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *))
157 int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *)
162 int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *))
164 dhm->finish = finish;
168 int (*DH_meth_get_generate_params(const DH_METHOD *dhm))
169 (DH *, int, int, BN_GENCB *)
171 return dhm->generate_params;
174 int DH_meth_set_generate_params(DH_METHOD *dhm,
175 int (*generate_params) (DH *, int, int, BN_GENCB *))
177 dhm->generate_params = generate_params;